Article (Scientific journals)
Unusual sound production mechanism in the triggerfish Rhinecanthus aculeatus (Balistidae)
Parmentier, Eric; Raick, Xavier; Lecchini, D. et al.
2017In Journal of Experimental Biology, 220 (2), p. 186-193
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Keywords :
Acoustic; Communication; Swimbladder; Polynesia; Tetraodontiformes; Animal Communication; Animal Fins; Animals; Movement; Sound; Video Recording; fish sounds; Balistidae; triggerfish; bioacoustics
Abstract :
[en] The ability to produce sound has been known for decades in Balistidae. Sounds of many species have been recorded and a variety of sound-producing mechanisms have been proposed, including teeth stridulation, collision of the buccal teeth and movements of the fins. The best-supported hypothesis involves movements of the pectoral fin against the lateral part of the swimbladder, called a drumming membrane. In this study, we describe for the first time the sounds made by the blackbar triggerfish Rhinecanthus aculeatus, which are like short drum rolls with an average duration of 85 ms, 193 Hz dominant frequency and 136 dB SPL level at 3 cm distance. The sounds are a series of pulses that result from alternate sweeping movements of the right and left pectoral fins, which push a system of three scutes that are forced against the swimbladder wall. Pulses from each fin occur in consecutive pairs. High-speed videos indicate that each pulse consists of two cycles. The first part of each cycle corresponds to the inward buckling of the scutes, whereas the second part of the cycle corresponds to an apparent passive recoil of the scutes and swimbladder wall. This novel sound production mechanism is probably found in many members of Balistidae because these peculiar scutes occur in other species in the family. Comparison of sound characteristics from fishes of different sizes shows that dominant frequency decreases with size in juveniles but not in adults. © 2017 Published by The Company of Biologists Ltd.
Research center :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège
Disciplines :
Zoology
Author, co-author :
Parmentier, Eric  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Morphologie fonctionnelle et évolutive
Raick, Xavier  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Morphologie fonctionnelle et évolutive
Lecchini, D.;  USR 3278 CNRS-EPHE-UPVD, CRIOBE, Paris Sciences Lettres (PSL), Moorea, French Polynesia, Laboratoire d'Excellence CORAIL, Moorea, French Polynesia
Boyle, K.;  Département d'Ecologie et de Gestion de la Biodiversité, Muséum National d'Histoire Naturelle, 57 rue Cuvier, Paris Cedex 5, France
Vanwassenbergh, S.;  Département d'Ecologie et de Gestion de la Biodiversité, Muséum National d'Histoire Naturelle, 57 rue Cuvier, Paris Cedex 5, France, Department of Biology, Universiteit Antwerpen, Universiteitsplein 1, Antwerpen, Belgium
Bertucci, Frédéric ;  Université de Liège, Laboratoire de Morphologie Fonctionnelle et Evolutive, AFFISH-RC, Institut de Chimie-B6C, Sart Tilman, Liège, Belgium
Kever, Loïc ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Morphologie fonctionnelle et évolutive
Language :
English
Title :
Unusual sound production mechanism in the triggerfish Rhinecanthus aculeatus (Balistidae)
Publication date :
2017
Journal title :
Journal of Experimental Biology
ISSN :
0022-0949
eISSN :
1477-9145
Publisher :
Company of Biologists Ltd
Volume :
220
Issue :
2
Pages :
186-193
Peer reviewed :
Peer Reviewed verified by ORBi
Development Goals :
14. Life below water
Name of the research project :
FRS-FNRS Grant T.0056.13; ANR-16-ACHN-0006-01; ANR-11-JSV7-012-01
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
ANR - Agence Nationale de la Recherche [FR]
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since 21 March 2018

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